#include<bits/stdc++.h>
using namespace std;

int qread(){
    int x=0;
    char c=getchar();
    int f=1;
    for(;!isdigit(c);c=getchar()){
        if(c=='-'){
            f=-1;
        }
    }
    for(;isdigit(c);c=getchar()){
        x=(x<<3)+(x<<1)+(c^48);
    }
    return x*f;
}
int main(){
    freopen("color.in","r",stdin);
    freopen("color.out","w",stdout);

    return 0;
}
